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  • Title: Flanged-edge transverse gradient coil design for a hybrid LINAC-MRI system.
    Author: Liu L, Sanchez-Lopez H, Liu F, Crozier S.
    Journal: J Magn Reson; 2013 Jan; 226():70-8. PubMed ID: 23220182.
    Abstract:
    MRI can be combined with other systems, such as linear accelerators (LINACs) to provide image-guided therapy. However, in some configurations this requires splitting the MRI scanner to provide a central gap large enough to ensure dual access for the accelerator and the patient. This raises technical difficulties for maintaining a high gradient coil performance. In this research, a dedicated split transverse gradient coil was designed with a flange connected to the central coil end, which provided an additional surface for the current to flow. The coil was compared to existing designs, in terms of coil performance and eddy current effects. It was found that a flanged-edge coil design produced a better coil performance and more moderate eddy currents than those of the other designs. It is hoped that this study will help to inform the design of optimal gradient coils for split MRI systems with a large central gap.
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